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Furnace
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Patent number 11,892,200
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Issue date Feb 6, 2024
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FIRE CHIEF INDUSTRIES LLC
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Danny N. Haynes
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F24 - HEATING RANGES VENTILATING
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Furnace
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Issue date Oct 13, 2020
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FIRE CHIEF INDUSTRIES LLC
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Danny N. Haynes
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Furnace
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Issue date Jun 16, 2020
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FIRE CHIEF INDUSTRIES LLC
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Danny N. Haynes
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F24 - HEATING RANGES VENTILATING
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Heater
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Patent number 8,157,560
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Issue date Apr 17, 2012
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HY-C Company LLC
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Charles Randolph Stires
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F24 - HEATING RANGES VENTILATING
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Stove blower control accessory
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Patent number 4,319,713
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Issue date Mar 16, 1982
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Eagle-Picher industries, Inc.
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Roy D. Baker
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F24 - HEATING RANGES VENTILATING
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Heating apparatus
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Patent number 4,074,854
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Issue date Feb 21, 1978
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Kamper's Woodfire Co., Inc.
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Egbert B. Kamper
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F24 - HEATING RANGES VENTILATING
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Hot air furnace
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Patent number 3,982,525
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Issue date Sep 28, 1976
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John A. Herman
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F24 - HEATING RANGES VENTILATING
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3469569
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Patent number 3,469,569
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F24 - HEATING RANGES VENTILATING
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Patent number 2,633,300
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F24 - HEATING RANGES VENTILATING
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2547417
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Patent number 2,547,417
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Issue date Apr 3, 1951
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F24 - HEATING RANGES VENTILATING
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2448891
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Patent number 2,448,891
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Issue date Sep 7, 1948
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F24 - HEATING RANGES VENTILATING
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2443910
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Patent number 2,443,910
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Issue date Jun 22, 1948
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F24 - HEATING RANGES VENTILATING
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2439972
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Patent number 2,439,972
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Issue date Apr 20, 1948
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F24 - HEATING RANGES VENTILATING
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2438407
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Patent number 2,438,407
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Issue date Mar 23, 1948
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F24 - HEATING RANGES VENTILATING
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2435342
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Patent number 2,435,342
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Issue date Feb 3, 1948
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F24 - HEATING RANGES VENTILATING
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2379083
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Patent number 2,379,083
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Issue date Jun 26, 1945
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F24 - HEATING RANGES VENTILATING
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2363748
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Patent number 2,363,748
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Issue date Nov 28, 1944
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F24 - HEATING RANGES VENTILATING
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2323034
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Patent number 2,323,034
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Issue date Jun 29, 1943
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F24 - HEATING RANGES VENTILATING
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2269180
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Patent number 2,269,180
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Issue date Jan 6, 1942
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F24 - HEATING RANGES VENTILATING
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2263226
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Patent number 2,263,226
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Issue date Nov 18, 1941
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F24 - HEATING RANGES VENTILATING
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2250139
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Patent number 2,250,139
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Issue date Jul 22, 1941
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F24 - HEATING RANGES VENTILATING
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2231975
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Patent number 2,231,975
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Issue date Feb 18, 1941
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F24 - HEATING RANGES VENTILATING
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2221041
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Patent number 2,221,041
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Issue date Nov 12, 1940
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F24 - HEATING RANGES VENTILATING
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2191141
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Patent number 2,191,141
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Issue date Feb 20, 1940
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F24 - HEATING RANGES VENTILATING
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2039948
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Patent number 2,039,948
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Issue date May 5, 1936
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F24 - HEATING RANGES VENTILATING
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2013704
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Patent number 2,013,704
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Issue date Sep 10, 1935
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F24 - HEATING RANGES VENTILATING
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1989278
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Issue date Jan 29, 1935
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F24 - HEATING RANGES VENTILATING